diff --git a/packages/node_modules/@node-red/runtime/lib/flows/Flow.js b/packages/node_modules/@node-red/runtime/lib/flows/Flow.js
index 9d97cea21..20a4f6c3d 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/Flow.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/Flow.js
@@ -540,10 +540,6 @@ class Flow {
         }
     }
 
-    get asyncMessageDelivery() {
-        return asyncMessageDelivery
-    }
-
     send(sendEvents) {
         // onSend - passed an array of SendEvent objects. The messages inside these objects are exactly what the node has passed to node.send - meaning there could be duplicate references to the same message object.
         // preRoute - called once for each SendEvent object in turn
@@ -650,12 +646,18 @@ function handlePreDeliver(flow,sendEvent, reportError) {
             reportError(err,sendEvent);
             return;
         } else if (err !== false) {
-            setImmediate(function() {
+            if (asyncMessageDelivery) {
+                setImmediate(function() {
+                    if (sendEvent.destination.node) {
+                        sendEvent.destination.node.receive(sendEvent.msg);
+                    }
+                })
+            } else {
                 if (sendEvent.destination.node) {
                     sendEvent.destination.node.receive(sendEvent.msg);
 
                 }
-            })
+            }
             // postDeliver - the message has been dispatched to be delivered asynchronously (unless the sync delivery flag is set, in which case it would be continue as synchronous delivery)
             hooks.trigger("postDeliver", sendEvent, function(err) {
                 if (err) {